-87.03% is the change from 933 to 121
Calculation steps:
[( 121 - 933 ) ÷ 933] x 100 = -87.03%
Formula
Percentage change = [(121 - 933) / 933] x 100
Subtract the new number by the original number
121 - 933 = -812
-812 ÷ 933 = -0.8703108252947481
-0.8703108252947481 x 100 = -87.03%